Optolong Optics Co.,Ltd

What Optolong Optics Co.,Ltd does

Optolong Optics Co., Ltd (昆明宇隆光电科技有限公司) is a precision optical filter manufacturer founded in 1999 and headquartered in Kunming, Yunnan Province, China. The company designs and produces interference filters, bandpass/longpass/shortpass filters, dichroic mirrors, beamsplitters, and microscope filter cubes using proprietary ION beam-assisted deposition (IAD) and e-beam thermal evaporation coating processes executed on OTFC-1300 (Optorun Japan) and Mars I 120 (Korea) coating equipment. Its single-piece hard-coating approach with dual-side deposition targets OD7+ blocking depths while maintaining transmission up to 99%, competing on price-performance against international premium brands like Chroma and Semrock.

The company serves approximately 2,000 clients globally across five primary verticals: life science instruments (fluorescence microscopy, flow cytometry, PCR, DNA sequencing), industrial detection (LIDAR, laser scanning, 3D measurement), machine vision (color discrimination and quality inspection), biomedical imaging (endoscopy, ophthalmology, cancer diagnostics), and astrophotography (light pollution suppression and narrowband emission-line filters). Standard products are sold through catalog SKUs (DAPI, FITC, TRITC, Cy5 filter sets; 635/650/850/905nm narrow bandpass; ND filters), while application-engineered filters are delivered through a quote-based OEM/custom manufacturing service covering 100nm-1500nm wavelengths and 2mm-300mm dimensions including irregular shapes.

Revenue mechanics are split between one-time catalog sales and quote-based OEM contracts, distributed through direct sales via the company's bilingual (English/Chinese) website, email inquiries, and presence at industry exhibitions including CIOE and analytica China. The company holds ISO 9001:2015 certification, has never raised external funding (organic growth only), and operates as a privately held corporation with no disclosed ownership structure, headcount trend, or revenue figures. Notable corporate events include a 2016 rebrand from Yulong Optics Co., Ltd to Optolong Optics Co., Ltd and a same-year relocation of headquarters and factory to current Yunnan facilities.

Name

Optolong Optics Co.,Ltd

Legal name

Optolong Optics Co., Ltd

Website

https://optolongfilter.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

Optolong Optics Co., Ltd is a Kunming, China-based precision optical filter manufacturer founded in 1999, serving ~2,000 global clients across life science, industrial detection, machine vision, biomedical imaging, and astrophotography markets with IAD-coated filters and OEM custom manufacturing.

Ownership category

akta.pro rank

Product category

Optical Filters and Thin-Film Coatings

NAICS

Paint and Coating Manufacturing (325510)

SIC

Optical Instruments & Lenses (3827), Laboratory Analytical Instruments (3826)

akta.pro primary industry

Optoelectronic Components (LEDs, photodiodes, optocouplers, optical sensors) (IMAGAJAF)

Keywords

• Optical filters
• Fluorescence filters
• Thin-film coating
• Bandpass filters
• OEM optical filters

Headquarters

HQ city

Kunming

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Optical Filters Sales: Sale of standard optical filter products including fluorescence filters, bandpass filters, astronomical filters, machine vision filters, and filter sets. Custom OEM manufacturing services for optical filters based on customer specifications.
2. OEM/Custom Manufacturing: Custom optical filter manufacturing services where Optolong designs and produces filters according to client application requirements, specifications, and dimensions.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Optolong Optics designs and manufactures precision optical filters using proprietary ion beam-assisted deposition (IAD) and e-beam thermal evaporation coating technology. The company produces a broad portfolio of bandpass, longpass, shortpass, dichroic mirrors, neutral density, fluorescence filter sets, and custom OEM filters (100-1500nm wavelength range, OD7+ blocking, up to 99.9% transmission) for life sciences, industrial detection, machine vision, biomedical imaging, and astronomy applications.

Product overview

Optolong Optics Co., Ltd is a precision optical filter manufacturer based in Kunming, China, offering a comprehensive portfolio of optical filters and thin-film coating services. The product line centers on fluorescence filter sets (single-band, dual-band, triple-band configurations including DAPI, FITC, TRITC, Cy5), individual optical filters (bandpass, longpass, shortpass, dichroic mirrors), and custom OEM manufacturing. The company serves life sciences (microscopy, flow cytometry, PCR), industrial detection (LIDAR, laser scanning), machine vision, biomedical imaging, and astronomical observation markets. Core manufacturing capabilities include ION beam-assisted thin film coating (IAD) and e-beam thermal evaporation, enabling blocking depth above OD7 and transmission up to 99.9%. Standard wavelength range spans 200-1800nm with sizes from Ø4mm to Ø150mm. Accessories include microscope filter cubes (U-MF2, U-FF) for Olympus and Nikon systems.

Differentiator

Problem solved

Functional benefit

Products and services

• Optical Filter Sets (Fluorescence Filters)

Quantifiable outcome

• Blocking depth up to OD7 while maintaining 96% transmission
• +4 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators3 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Omega Optical: Omega Optical designs and manufactures custom and standard thin-film optical filters for life sciences, aerospace, and instrumentation — a direct competitor in OEM custom filters, fluorescence sets, and biomedical filter applications.
• Alluxa: Alluxa produces high-performance thin-film optical filters using advanced plasma deposition — directly competing with Optolong's IAD-based products in fluorescence, laser, and machine vision filter applications.
• Chroma Technology: Chroma manufactures precision optical filters for microscopy, biomedical imaging, and machine vision — overlapping heavily with Optolong's fluorescence, bandpass, and dichroic filter lines for life science and industrial customers.
• Semrock: Part of IDEX Health & Science, Semrock is a leading manufacturer of high-performance optical thin-film filters for life sciences, biomedical, and laser applications — directly competing with Optolong in fluorescence filter sets and OEM custom filters with comparable IAD-based performance specs.

Broad incumbents

• Edmund Optics: Edmund Optics is a broad-line global optics distributor and manufacturer with a sizable filter catalog — overlapping with Optolong's bandpass, longpass, and fluorescence filter lines but competing primarily via scale, breadth, and catalog distribution.
• Thorlabs: Thorlabs manufactures and distributes a vast portfolio of photonics products including optical filters, offering comparable bandpass and fluorescence filters, but competes as a broad-line incumbent across the entire photonics stack rather than specializing in filters.
• Newport / MKS Instruments: Newport (MKS Instruments) offers a broad portfolio of optical filters and components for photonics and life science applications — overlapping with Optolong's product range but operating at much greater scale across laser, optics, and motion control.
• Materion: Materion's Precision Optics and Thin Film Coatings business produces optical filters and coatings for aerospace, defense, and life sciences — a broader incumbent competing in the OEM filter space alongside Optolong.

Regional players

• Knight Optical: UK-based optical components supplier offering custom and stock filters including bandpass and fluorescence types — comparable product portfolio to Optolong but primarily serving European customers with custom optical component manufacturing.

Emerging players

• Asahi Spectra: Japanese optical filter manufacturer specializing in bandpass and fluorescence filters for industrial and biomedical applications — overlapping with Optolong's IAD coating technology and product portfolio, particularly in Asian OEM markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/Optolongfilter
• Facebookfacebook.com/OptolongFLFilter
• LinkedInlinkedin.com/company/kunming-optolong-optical-filters

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Optolong Optics Co.,Ltd